She takes one

Unthoughtfully, Rebecca popped a pill in her mouth.

Suddenly, her breasts instantly doubled, and her pussy lips fused together. A wonderful sensation filled Rebecca as her nipples widened and enlarged, and she finally realized something; Her nipples had both turned into foot-long cocks, sticking out from her goliath chest. If that wasn't enough, a 4-foot-long penis grew rock hard where her pussy could be. With a touch of the finger, sheer pleasure shot through the penises, making them cum for several seconds. She decided she could have some fun with this strange gift...